Commitments, Off-Balance Sheet Arrangements, Legal Proceedings and Regulatory Matters (Details Textuals) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Schedule of lending-related and other commitments [Line Items]
Investment, Proportional Amortization Method, Elected, Amount	$ 203,000	$ 215,000
Investment Program, Proportional Amortization Method, Elected, Impairment Loss	0	0	$ 0
Loans repurchased under make whole requests	3,000	5,000
Loans Sold To Outside Investors Loss Reimbursement Settlement Paid	$ 0	0
Make Whole Requests, Loan Origination Date, Majority	Jan. 01, 2021
Loans Sold To Outside Investors Original Amount	$ 4,400,000
Loans sold to outside investors remaining outstanding amount	2,600,000
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	38,776	34,776
Financing Receivable, before Allowance for Credit Loss	29,768,586	29,216,218
Residential Mortgage [Member]
Schedule of lending-related and other commitments [Line Items]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	553	835
Residential Mortgage [Member] | Recourse [Member]
Schedule of lending-related and other commitments [Line Items]
Financing Receivable, before Allowance for Credit Loss	14,000	15,000
Residential Mortgage [Member] | Recourse [Member] | Credit Risk [Member]
Schedule of lending-related and other commitments [Line Items]
Financing Receivable, before Allowance for Credit Loss	134,000	16,000
Loss on Sale of Investments	0	0
Affordable Housing Projects and Other [Member]
Schedule of lending-related and other commitments [Line Items]
Other Investments	205,000	219,000
Investment Program, Proportional Amortization Method, Applied, Amortization Expense	35,000	34,000	$ 34,000
Accrued Liabilities	30,000	27,000
Private SBA Loan Fund [Member]
Schedule of lending-related and other commitments [Line Items]
Equity Securities, FV-NI	3,000
Loan Pool CRA Investments [Member]
Schedule of lending-related and other commitments [Line Items]
Other Investments	$ 54,000	$ 40,000